Mobile power supply



FIG. 1 is a first perspectie view of a mobile power supply showing my new design;

FIG. 2 is a second perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left elevational side view thereof

FIG. 6 is a right elevational side view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is third perspective view of the mobile power supply with its connecting wire pulled out.

The broken lines in the figures depict portions of the mobile power supply that form no part of the claimed design. 

CLAIM The ornamental design for a mobile power supply, as shown and described. 